// Copyright 2012 ESRI
// 
// All rights reserved under the copyright laws of the United States
// and applicable international laws, treaties, and conventions.
// 
// You may freely redistribute and use this sample code, with or
// without modification, provided you include the original copyright
// notice and use restrictions.
// 
// See the use restrictions.
// 

using System;
using System.Drawing;
using System.Runtime.InteropServices;
using ESRI.ArcGIS.ADF.BaseClasses;
using ESRI.ArcGIS.ADF.CATIDs;
using ESRI.ArcGIS.Controls;
using ESRI.ArcGIS.SystemUI;

namespace GraphicsLayerToolControl
{
  /// <summary>
  /// ToolControl implementation
  /// </summary>
  [Guid("f6d7f99f-2a94-472c-9981-b7d7d6edc518")]
  [ClassInterface(ClassInterfaceType.None)]
  [ProgId("GraphicsLayerToolControl.GraphicsLayersListToolCtrl")]
  public sealed class GraphicsLayersListToolCtrl : BaseCommand, IToolControl
  {
    #region COM Registration Function(s)
    [ComRegisterFunction()]
    [ComVisible(false)]
    static void RegisterFunction(Type registerType)
    {
      // Required for ArcGIS Component Category Registrar support
      ArcGISCategoryRegistration(registerType);

      //
      // TODO: Add any COM registration code here
      //
    }

    [ComUnregisterFunction()]
    [ComVisible(false)]
    static void UnregisterFunction(Type registerType)
    {
      // Required for ArcGIS Component Category Registrar support
      ArcGISCategoryUnregistration(registerType);

      //
      // TODO: Add any COM unregistration code here
      //
    }

    #region ArcGIS Component Category Registrar generated code
    /// <summary>
    /// Required method for ArcGIS Component Category registration -
    /// Do not modify the contents of this method with the code editor.
    /// </summary>
    private static void ArcGISCategoryRegistration(Type registerType)
    {
      string regKey = string.Format("HKEY_CLASSES_ROOT\\CLSID\\{{{0}}}", registerType.GUID);
      ControlsCommands.Register(regKey);
      MxCommands.Register(regKey);

    }
    /// <summary>
    /// Required method for ArcGIS Component Category unregistration -
    /// Do not modify the contents of this method with the code editor.
    /// </summary>
    private static void ArcGISCategoryUnregistration(Type registerType)
    {
      string regKey = string.Format("HKEY_CLASSES_ROOT\\CLSID\\{{{0}}}", registerType.GUID);
      ControlsCommands.Unregister(regKey);
      MxCommands.Unregister(regKey);

    }

    #endregion
    #endregion

    #region class members
    private IHookHelper m_hookHelper = null;
    private GraphicsLayersListCtrl m_graphicsLayerListCtrl = null;
    #endregion

    #region constructor
    public GraphicsLayersListToolCtrl()
    {
      base.m_category = ".NET Samples";
      base.m_caption = "Graphics Layers";
      base.m_message = "Active Graphics Layer";
      base.m_toolTip = "Active Graphics Layer";
      base.m_name = "ToolControlSample_GraphicsLayersListToolCtrl";

      try
      {
        string bitmapResourceName = GetType().Name + ".bmp";
        base.m_bitmap = new Bitmap(GetType(), bitmapResourceName);
      }
      catch (Exception ex)
      {
        System.Diagnostics.Trace.WriteLine(ex.Message, "Invalid Bitmap");
      }
    }
    #endregion

    #region Overriden Class Methods

    /// <summary>
    /// Occurs when this command is created
    /// </summary>
    /// <param name="hook">Instance of the application</param>
    public override void OnCreate(object hook)
    {
      if (hook == null)
        return;

      if (m_hookHelper == null)
        m_hookHelper = new HookHelperClass();

      m_hookHelper.Hook = hook;

      //make sure that the usercontrol has been initialized
      if (null == m_graphicsLayerListCtrl)
      {
        m_graphicsLayerListCtrl = new GraphicsLayersListCtrl();
        m_graphicsLayerListCtrl.CreateControl();
      }
      //set the Map property of the control
      m_graphicsLayerListCtrl.Map = m_hookHelper.FocusMap;
    }

    /// <summary>
    /// Occurs when this command is clicked
    /// </summary>
    public override void OnClick()
    {
      //not much to do here
    }

    #endregion

    #region IToolControl Members

    public bool OnDrop(esriCmdBarType barType)
    {
      return true;
    }

    public void OnFocus(ICompletionNotify complete)
    {

    }

    public int hWnd
    {
      get
      {
        //pass the handle of the usercontrol
        if (null == m_graphicsLayerListCtrl)
        {
          m_graphicsLayerListCtrl = new GraphicsLayersListCtrl();
          m_graphicsLayerListCtrl.CreateControl();
        }

        return m_graphicsLayerListCtrl.Handle.ToInt32();

      }
    }

    #endregion
  }
}